Paint composition and process of manufacturing the same



- eaam eamz, 1923. f

. euirao STAT-ES PAT S OFFICE? PAUL reruns, oramanamswnzm m i ri imonAnn PROCESS or misiinrno'ruamee 'rrin m Drwing; l influ ntial.511522;'Seria1 ;fio.5 66,136 To azzwhomi't y i The composition obtained may, beBe it known that I, PAUL PETERS, a citifor many purposes, as a paint itformsa zen of the GermanBepublic, residing at goodprotection againstrust. The product 'Mullheim, Canton Thurgau, Switzerland, may be usedfor manufacturing varnishes,

' 5 have invented' new- ,and "useful Improve-a jointing material,plastic substances, for-the -40 ments in a Paint Composition and Processimpregnation of fibres (organic fibres and s of Manufacturing the Same,of which the asbestos). The ratio of suboxide of lead to following is aspecification. the other oxides of le' (1 may be varied by The presentinvention relates to anew choosing the proper composition of metalcomposition adapted to, be used as a paint, drosSto start wit Anaddition of calcium '45 for manufacturing impregnating material;carbonate and of silieazhajs ,proven to be and insulatingmaterial and soon. of great advantage. By admixing these a The new composition'consistsmainly of calcium-lead compound is formed, and oxy the suboxide o'f'leadPb O and contains gen is given ofi.

some oxide of lead PM). The new composi- What I wish to secure byLetters Patent '50 v point that is tionis manufactured from the drossthat is is 1 a v the residue of molten lead or lead eom 1. 7Ihe proce ofmanufacturing a prodounds. The suboxide of lead may beprouct adapted" tobe used as a protective paint duced by heatin lead near to its meltingagainst rust, as'aninsulating and'as an im-* 32% C. and by passingvaiiypregnating agent, "in which metal dross con through it while thesame is. molten. The taining lead is heated to near the meltin'gsuboxide of lead s a dark greyish fine point of lead inthe presence ofoxygen and powder which when heated in air burns with the product finelyground and mixed with a a yellow flame to oxide of lead. Careis tovbinder.

5 be taken therefore by heating the lead or 2. The process ofmanufacturing prod- 6o lead compound, that the temperature of theuetpada pted to be used asa" protective paint" lead or metal dross doesnot reach its meltagainst rust, as an 1nsulat1ng and as animing point.If metal dross be used to get pregnating agent, in whichimetal drossconthe suboxide of lead other oxides of lead taming. lead is heated tonear to the melting -30 and impurities are usually contained in thepoint of lead in the presenceiofi xygen and '35 product. A

product obtained. -Thelatter is finely -th pr0du t finely ground and mxed with ground and may, be mixed with a. binder. fi l mtalb nateandsilica being 1 If the process is properlyjcarried out the, added; 7 vsuboxidepf lead is predominant in .the IIWIt wh r f; 11 11 %filg l f 1PAUL ETERS; f

